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Design of Steel Structures MCQ Question with Answer

Design of Steel Structures MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
The allowable tensile stress in structural mild steel plates for steel tank is assumed as

95.0 MPa on net area
105.5 MPa on net area
105.5 MPa on gross area
150.0 MPa on gross area

Question No : 9
If f is the maximum allowable bending stress in a tension member whose radius of gyration is r and depth is 2y, the required cross sectional area A is given by

A = My/fr²
A = My²/fr²
A = My/fr
A = My/f²r²

Question No : 10
Modified moment of inertia of sections with a single web, is equal to moment of inertia of the section about Y-Y axis at the point of maximum bending moment and is multiplied by the ratio of

Area of compression flange at the minimum bending moment to the corresponding area at the point of maximum bending moment
Area of tension flange at the minimum bending moment of the corresponding area at the point of maximum bending moment
Total area of flanges at the maximum bending moment to the corresponding area at the point of maximum bending moment
None of these

Question No : 11
Pick up the correct statement from the following:

Vertical stiffeners may be placed in pairs one on each side of the web
Single vertical stiffeners may be placed alternately on opposite sides of the web
Horizontal stiffeners may be placed alternately on opposite sides of the web
All the above

Question No : 12
The average shear stress for rolled steel beam section, is

845 kg/cm2
945 kg/cm2
1025 kg/cm2
1500 kg/cm2

Question No : 13
When the length of a tension member is too long

A wire rope is used
A rod is used
A bar is used
A single angle is used

Question No : 14
The statical method of plastic analysis satisfies

Equilibrium and mechanism conditions
Equilibrium and plastic moment conditions
Mechanism and plastic moment conditions
Equilibrium condition only